Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 2021+317 (independent mode)

Data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 305.8292388815884°
Declination: 31.8839738980111°
No. sessions: 59
No. delays: 1743
Defining: No
RMS(α cos δ) = 1.5315 mas
RMS(δ) = 3.9582 mas

Observed in only 59 session(s)


Quarterly time series for 2021+317

Data

Right ascension: 305.8292389418606°
Declination: 31.8839738944848°
No. sessions: 53
No. delays: 1554
Defining: No
RMS(α cos δ) = 0.3817 mas
RMS(δ) = 0.4277 mas

Observed in only 53 session(s)